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Typical operating characteristics – Rainbow Electronics MAX5548 User Manual

Page 5

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MAX5548

Dual, 8-Bit, Programmable, 30mA

High-Output-Current DAC

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5

INL vs. CODE

CODE

INL (LSB)

0

32

64

96

128 160 192 224 256

-1.00

-0.75

-0.50

-0.25

0

0.25

0.50

0.75

1.00

MAX5548 toc01

DNL vs. CODE

CODE

DNL (LSB)

MAX5548 toc02

0

32

64

96

128 160 192 224 256

-0.500

-0.375

-0.250

-0.125

0

0.125

0.250

0.375

0.500

INL vs. TEMPERATURE

TEMPERATURE (

°C)

INL (LSB)

MAX5548 toc03

-40

-15

10

35

60

85

0

0.125

0.250

0.375

0.500

0.625

0.750

0.875

1.000

DNL vs. TEMPERATURE

TEMPERATURE (

°C)

DNL (LSB)

MAX5548 toc04

-40

-15

10

35

60

85

0

0.0125

0.0250

0.0375

0.0500

0.0625

0.0750

0.0875

0.1000

MAXIMUM INL ERROR

vs. OUTPUT CURRENT RANGES

INL (LSB)

MAX5548 toc05

0

0.2

0.4

0.6

0.8

1.0

1–2

2–5

OUTPUT CURRENT RANGE (mA)

4.5–9

8–16

15–30

1.5–3

0

1.0

0.5

2.5

2.0

1.5

4.0

3.5

3.0

4.5

-40

10

-15

35

60

85

ZERO-SCALE OUTPUT CURRENT

vs. TEMPERATURE

MAX5548 toc06

TEMPERATURE (

°C)

ZERO-SCALE CURRENT (nA)

V

DD

= 5V

V

DD

= 3V

FULL-SCALE CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

FULL-SCALE CURRENT (mA)

MAX5548 toc07

-40

-15

10

35

60

85

29.72

29.74

29.76

29.78

29.80

29.82

29.84

29.86

29.88

V

DD

= 3V

V

DD

= 5V

SETTLING TIME

(FULL-SCALE POSITIVE STEP)

MAX5548 toc08

V

OUT_

1V/div

10

µs/div

CS
2V/div

R

LOAD

= 65

C

LOAD

= 24pF

SETTLING TIME

(FULL-SCALE NEGATIVE STEP)

MAX5548 toc09

V

OUT_

1V/div

10

µs/div

CS
2V/div

R

LOAD

= 65

C

LOAD

= 24pF

Typical Operating Characteristics

(V

DD

= +3.0V, GND = 0, V

REFIN

= +1.25V, internal reference, R

FSADJ_

= 20k

Ω, T

A

= +25°C. unless otherwise noted).